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Sex cord-stromal (granulosa cell) tumor in an ovotestis from a cow.

Authors: St-Jean, Guillaume; Charreton-Sanford, Véronique; Pesant, Marie-Jeanne; Zamberlam, Gustavo; Boyer, Alexandre; Beaudoin, Gabrielle; Gagnon, Carl A.;

Sex cord-stromal (granulosa cell) tumor in an ovotestis from a cow.

Abstract

Tumeur des cordons sexuels et du stroma (cellules de la granulosa) dans un ovotestis d’une vache Le développement de tumeurs gonadiques dans un ovotestis est rare chez les mammifères et cette perturbation n’a pas été signalée chez les vaches. Nous rapportons ici une tumeur gonadique stromale (cellules de la granulosa) dans un ovotestis d’une génisse de 15 mois dont l’appareil reproducteur a été obtenu d’un abattoir local. L’évaluation histopathologique a révélé que les gonades étaient des ovotestis, mais aussi de manière fortuite une tumeur des cordons sexuels et du stroma (cellules de la granulosa). Le type du chromosome sexuel a été déterminé comme étant XX, suggérant un trouble ovotesticulaire XX du développement sexuel avec utérus et phénotype femelle. Message clinique clé : Les troubles du développement sexuel sont courants chez les mammifères. Les tumeurs gonadiques dans les troubles du développement sexuel sont rarement signalées et n’ont pas été signalées chez les vaches.

Development of gonadal tumors within an ovotestis is rare in mammals and this disturbance was not reported in cows. We report herein a gonadal stromal (granulosa cell) tumor in an ovotestis of a 15-month-old heifer from which the reproductive tract was obtained from a local slaughterhouse. Histopathological evaluation revealed that the gonads were ovotestis, but also a coincidental sex cordstromal (granulosa cell) tumor. The sex chromosome type was determined to be XX, suggesting an XX ovotesticular disorder of sexual development with uterus and a female phenotype. Key clinical message: Disorders of sexual development are common in mammals. Gonadal tumors in disorders of sexual development are rarely reported and have not been reported in cows.

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Canada
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Keywords

Animals, Cattle Diseases, Sex Cord-Gonadal Stromal Tumors, Cattle, Female, Ovotesticular Disorders of Sex Development, Granulosa Cell Tumor

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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